[GRASSLIST:4138] RE: state plane - newbie

[Richard Greenwood]

At 09:06 PM 7/23/2002 +0100, you wrote:

>Richard Greenwood wrote:
>
> > Another potential stumbling block is that I am working in feet, rather 
> than
> > meters.
>
>I don't know if this is relevant, but GRASS interprets the "foot" and
>"inch" unit names as international feet (and inches), not US survey
>feet.
>
>You might be able to use US survey feet by editing the "meters" value
>in the PROJ_UNITS file directly.

Yes, it is quite relevant. I had already noticed that, but thanks for 
pointing it out. The difference between the International Foot and the US 
Survey Foot makes quite a difference when it comes the values of the 
magnitude of state plane coordinates.

Rich


Richard W. Greenwood, PLS
Greenwood Mapping, Inc.
Rich at GreenwoodMap.com
(307) 733-0203
http://www.GreenwoodMap.com